Effect of Chromium Interlayer Thickness on Optical Properties of Au-Ag Nanoparticle Array

Figure 3

Sensing performance of the hybrid Au-Ag triangular nanoparticle arrays with different Cr interlayer thicknesses.

(a) Extinction spectra in different media for  nm

(b) Refractive index sensitivity curve for  nm

(c) Refractive index sensitivity distributions for different Cr interlayer thicknesses